Urs Riggenbach is an ecologist, coder and prototyper. His passion is to develop and spread game changing tools for building a better, more sustainable world. His recent work with Solar Fire Concentration Ltd and their initiative GoSol.org has brought high-temperature low-cost solar concentrators to rural entrepreneurs, pushing the boundaries of what solar energy can be used for. Urs holds a BA in Human Ecology, and is a United World College and Yestermorrow Design/Build graduate. https://www.…